[Mesa-dev] [PATCH 5/6] radv: do not enable DCC for mipmapped arrays because performance is worse

Samuel Pitoiset samuel.pitoiset at gmail.com
Fri Jun 28 07:23:22 UTC 2019


Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/radv_image.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 4099c57aa85..07d89d32edf 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -179,6 +179,10 @@ radv_use_dcc_for_image(struct radv_device *device,
 	if (pCreateInfo->arrayLayers > 1)
 		return false;
 
+	/* Do not enable DCC for mipmapped arrays because performance is worse. */
+	if (pCreateInfo->arrayLayers > 1 && pCreateInfo->mipLevels > 1)
+		return false;
+
 	if (radv_surface_has_scanout(device, create_info))
 		return false;
 
-- 
2.22.0



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